var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var compression = require('compression');
var _=require("lodash");
var argv = _.nth(process.argv,2);
var isDev=argv==="dev";
var pageRouter,productionConfig;
if (isDev) {
    pageRouter = require('./routes/page-router.js');
    productionConfig = require('./routes/production-config.js')
} else {
    pageRouter = require('./lib/page-router.js');
    productionConfig = require('./lib/production-config.js')
}
var app = express();
app.use(compression());

var swig = require('swig');
var _setting = {
    cache: false,
    locals: {
        now: function() {
            return new Date();
        }
    }
};
swig.setDefaults(_setting);
app.engine('html', swig.renderFile);
// view engine setup
if(isDev){
    app.set('views', path.join(__dirname, 'src/views'));
}else{
    app.set('views',path.join(__dirname,"dist/views"));
}

app.set('view engine', 'html');

app.set('basePath', "../");
// app.all('*', function(req, res, next) {
//     res.header("Access-Control-Allow-Origin", "*");
//     res.header("Access-Control-Allow-Headers", "X-Requested-With");
//     res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
//     res.header("X-Powered-By",' 3.2.1');
//     // res.header("Content-Type", "application/json;charset=utf-8");
//     next();
// });
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());

if(isDev){
    app.use(express.static(path.join(__dirname, 'src')));
}else{
    app.use(express.static(path.join(__dirname, 'dist')));
}


app.set('globalHost', productionConfig.globalHost);

app.use('/', pageRouter);


// catch 404 and forward to error handler
app.use(function(req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});
// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function(err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
        message: err.message,
        error: {}
    });
});

module.exports = app;
